(* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with gm2; see the file COPYING.  If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)

MODULE testcse4 ;

FROM StrIO IMPORT WriteString, WriteLn ;

CONST
   nul = 0C ;

PROCEDURE StrLen (a: ARRAY OF CHAR) : CARDINAL ;
VAR
   High,
   Len : CARDINAL ;
BEGIN
   Len := 0 ;
   High := HIGH( a ) ;
   WHILE (Len<=High) AND (a[Len]#nul) DO
      INC( Len ) ;
   END ;
   RETURN( Len )
END StrLen ;

BEGIN
   IF StrLen('works')=5
   THEN
      WriteString('works')
   END ;
   WriteLn
END testcse4.
